Home / 12,561.46-17,335.41-6,972.50

Finding the Fourth Proportional to 12,561.46, 17,335.41 and 6,972.50

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Solution

The fourth proportional to 12,561.46, 17,335.41 and 6,972.50 is: 9,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561.46 : 17,335.41 = 6,972.50 : x
  2. Step 2: Convert to fraction form
    12,561.46/17,335.41 = 6,972.50/x
  3. Step 3: Cross multiply
    12,561.46x = 17,335.41 × 6,972.50
  4. Step 4: Simplify right side
    12,561.46x = 120,871,146.23
  5. Step 5: Solve for x
    x = 120,871,146.23/12,561.46
  6. Step 6: Final answer
    x = 9,622.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.